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Home >> Mazda >> 2019 >> 6 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> On-Board Diagnostics - Adaptive Front Lighting System Control Module >> DTC U3000-42: AFS Control Module Internal Malfunction >> Diagnostic Procedure

Diagnostic Procedure

DTC U3000:42 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DIAGNOSTIC PROCEDURE

Step Inspection Action
1 PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS AFS CONTROL MODULE Yes Replace the AFS control module, then go to the next step.
(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
2 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .)
No DTC troubleshooting completed.